$OpenBSD: patch-src_lisp_getters_hpp,v 1.1 2017/05/26 18:09:15 espie Exp $
don't get how this ever compiled. you can't convert a shared_ptr into a ptr
without an explicit get.

Index: src/lisp/getters.hpp
--- src/lisp/getters.hpp.orig
+++ src/lisp/getters.hpp
@@ -30,7 +30,7 @@ static inline bool property_get(const Lisp* lisp, T& v
   if(lisp->get_list_size() != 2)
     return false;
   
-  const Lisp* el = lisp->get_list_elem(1);
+  const Lisp* el = lisp->get_list_elem(1).get();
   return get(el, val);
 }
 
